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2 marksMatter and Cellular Organization

CSEC Integrated Science · May/June 2014 · Paper 2 · Question 3(a)(ii)

Diagrams of two cells, A and B, are shown in Figures 3 and 4.

Give TWO reasons for your choice in (a)(i).

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

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Other parts of this question

  1. 3(a)(i)State which cell represents a plant cell.[1 mark]
  2. 3(a)(iii)Name the cell structure responsible for storing genetic information.[1 mark]
  3. 3(a)(iv)Name the type of human cell that transports oxygen around the body.[1 mark]
  4. 3(b)(i)Distinguish between 'diffusion' and 'osmosis'.[1 mark]
  5. 3(b)(ii)Identify the process that caused the wilting lettuce to become firm after being sprinkled with water.[1 mark]
  6. 3(b)(iii)Explain how this process kept the lettuce firm.[2 marks]
  7. 3(b)(iv)Suggest a suitable method, other than sprinkling, that a consumer could use to keep lettuce firm.[1 mark]
  8. 3(c)Complete Table 3 showing the effects of muscle damage on the structure and function of the heart and stomach, and overall body effects.[5 marks]

More practice: the rest of this paper · more Matter and Cellular Organization questions · all CSEC Integrated Science past papers